Subversion Repositories HelenOS-historic

Rev

Rev 282 | Rev 413 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 282 Rev 348
Line 49... Line 49...
49 
    __asm__ volatile ("andq %%rsp, %0\n" : "=r" (v) : "0" (~((__u64)STACK_SIZE-1)));
 49 
    __asm__ volatile ("andq %%rsp, %0\n" : "=r" (v) : "0" (~((__u64)STACK_SIZE-1)));
50 
   
 50 
   
51 
    return v;
 51 
    return v;
52 
}
 52 
}
53 
 
 53 
 
54 
static inline void cpu_sleep(void) { __asm__ volatile ("hlt"); };
 54 
static inline void cpu_sleep(void) { __asm__ volatile ("hlt\n"); };
55 
static inline void cpu_halt(void) { __asm__ volatile ("hlt"); };
 55 
static inline void cpu_halt(void) { __asm__ volatile ("hlt\n"); };
56 
 
 56 
 
57 
 
 57 
 
58 
static inline __u8 inb(__u16 port)
 58 
static inline __u8 inb(__u16 port)
59 
{
 59 
{
60 
    __u8 out;
 60 
    __u8 out;
61 
 
 61 
 
62 
    __asm__ volatile (
 62 
    __asm__ volatile (
63 
        "mov %1, %%dx;"
 63 
        "mov %1, %%dx\n"
64 
        "inb %%dx,%%al;"
 64 
        "inb %%dx,%%al\n"
65 
        "mov %%al, %0;"
 65 
        "mov %%al, %0\n"
66 
        :"=m"(out)
 66 
        :"=m"(out)
67 
        :"m"(port)
 67 
        :"m"(port)
68 
        :"%rdx","%rax"
 68 
        :"%rdx","%rax"
69 
        );
 69 
        );
70 
    return out;
 70 
    return out;
71 
}
 71 
}
72 
 
 72 
 
73 
static inline __u8 outb(__u16 port,__u8 b)
 73 
static inline __u8 outb(__u16 port,__u8 b)
74 
{
 74 
{
75 
    __asm__ volatile (
 75 
    __asm__ volatile (
76 
        "mov %0,%%dx;"
 76 
        "mov %0,%%dx\n"
77 
        "mov %1,%%al;"
 77 
        "mov %1,%%al\n"
78 
        "outb %%al,%%dx;"
 78 
        "outb %%al,%%dx\n"
79 
        :
 79 
        :
80 
        :"m"( port), "m" (b)
 80 
        :"m"( port), "m" (b)
81 
        :"%rdx","%rax"
 81 
        :"%rdx","%rax"
82 
        );
 82 
        );
83 
}
 83 
}
Line 147... Line 147...
147 
 * @return Value read.
 147 
 * @return Value read.
148 
 */
 148 
 */
149 
static inline __u64 read_cr0(void)
 149 
static inline __u64 read_cr0(void)
150 
{
 150 
{
151 
    __u64 v;
 151 
    __u64 v;
152 
    __asm__ volatile ("movq %%cr0,%0" : "=r" (v));
 152 
    __asm__ volatile ("movq %%cr0,%0\n" : "=r" (v));
153 
    return v;
 153 
    return v;
154 
}
 154 
}
155 
 
 155 
 
156 
/** Read CR2
 156 
/** Read CR2
157 
 *
 157 
 *
Line 160... Line 160...
160 
 * @return Value read.
 160 
 * @return Value read.
161 
 */
 161 
 */
162 
static inline __u64 read_cr2(void)
 162 
static inline __u64 read_cr2(void)
163 
{
 163 
{
164 
    __u64 v;
 164 
    __u64 v;
165 
    __asm__ volatile ("movq %%cr2,%0" : "=r" (v));
 165 
    __asm__ volatile ("movq %%cr2,%0\n" : "=r" (v));
166 
    return v;
 166 
    return v;
167 
}
 167 
}
168 
 
 168 
 
169 
/** Write CR3
 169 
/** Write CR3
170 
 *
 170 
 *
Line 196... Line 196...
196 
 * Enable local APIC in MSR.
 196 
 * Enable local APIC in MSR.
197 
 */
 197 
 */
198 
static inline void enable_l_apic_in_msr()
 198 
static inline void enable_l_apic_in_msr()
199 
{
 199 
{
200 
    __asm__ volatile (
 200 
    __asm__ volatile (
201 
        "movl $0x1b, %%ecx;"
 201 
        "movl $0x1b, %%ecx\n"
202 
        "rdmsr;"
 202 
        "rdmsr\n"
203 
        "orl $(1<<11),%%eax;"
 203 
        "orl $(1<<11),%%eax\n"
204 
        "orl $(0xfee00000),%%eax;"
 204 
        "orl $(0xfee00000),%%eax\n"
205 
        "wrmsr;"
 205 
        "wrmsr\n"
206 
        :
 206 
        :
207 
        :
 207 
        :
208 
        :"%eax","%ecx","%edx"
 208 
        :"%eax","%ecx","%edx"
209 
        );
 209 
        );
210 
}
 210 
}